Air Force Colonel Kenneth Penmark and his wife, Christine, adore their daughter Rhoda, despite her secret tendency for selfishness. Christine keeps her knowledge of her daughter's darker side to herself, but when a schoolmate of Rhoda's dies mysteriously, her self-deception unravels.

Former buffalo hunter and entrepreneur Wyatt Earp arrives in the lawless cattle town of Wichita Kansas. His skill as a gun-fighter makes him a perfect candidate for Marshal, but he refuses the job until he feels morally obligated to bring law and order to this wild town.